spu.h 25 KB

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  1. /*
  2. * SPU core / file system interface and HW structures
  3. *
  4. * (C) Copyright IBM Deutschland Entwicklung GmbH 2005
  5. *
  6. * Author: Arnd Bergmann <arndb@de.ibm.com>
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License as published by
  10. * the Free Software Foundation; either version 2, or (at your option)
  11. * any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21. */
  22. #ifndef _SPU_H
  23. #define _SPU_H
  24. #ifdef __KERNEL__
  25. #include <linux/workqueue.h>
  26. #include <linux/device.h>
  27. #include <linux/mutex.h>
  28. #define LS_SIZE (256 * 1024)
  29. #define LS_ADDR_MASK (LS_SIZE - 1)
  30. #define MFC_PUT_CMD 0x20
  31. #define MFC_PUTS_CMD 0x28
  32. #define MFC_PUTR_CMD 0x30
  33. #define MFC_PUTF_CMD 0x22
  34. #define MFC_PUTB_CMD 0x21
  35. #define MFC_PUTFS_CMD 0x2A
  36. #define MFC_PUTBS_CMD 0x29
  37. #define MFC_PUTRF_CMD 0x32
  38. #define MFC_PUTRB_CMD 0x31
  39. #define MFC_PUTL_CMD 0x24
  40. #define MFC_PUTRL_CMD 0x34
  41. #define MFC_PUTLF_CMD 0x26
  42. #define MFC_PUTLB_CMD 0x25
  43. #define MFC_PUTRLF_CMD 0x36
  44. #define MFC_PUTRLB_CMD 0x35
  45. #define MFC_GET_CMD 0x40
  46. #define MFC_GETS_CMD 0x48
  47. #define MFC_GETF_CMD 0x42
  48. #define MFC_GETB_CMD 0x41
  49. #define MFC_GETFS_CMD 0x4A
  50. #define MFC_GETBS_CMD 0x49
  51. #define MFC_GETL_CMD 0x44
  52. #define MFC_GETLF_CMD 0x46
  53. #define MFC_GETLB_CMD 0x45
  54. #define MFC_SDCRT_CMD 0x80
  55. #define MFC_SDCRTST_CMD 0x81
  56. #define MFC_SDCRZ_CMD 0x89
  57. #define MFC_SDCRS_CMD 0x8D
  58. #define MFC_SDCRF_CMD 0x8F
  59. #define MFC_GETLLAR_CMD 0xD0
  60. #define MFC_PUTLLC_CMD 0xB4
  61. #define MFC_PUTLLUC_CMD 0xB0
  62. #define MFC_PUTQLLUC_CMD 0xB8
  63. #define MFC_SNDSIG_CMD 0xA0
  64. #define MFC_SNDSIGB_CMD 0xA1
  65. #define MFC_SNDSIGF_CMD 0xA2
  66. #define MFC_BARRIER_CMD 0xC0
  67. #define MFC_EIEIO_CMD 0xC8
  68. #define MFC_SYNC_CMD 0xCC
  69. #define MFC_MIN_DMA_SIZE_SHIFT 4 /* 16 bytes */
  70. #define MFC_MAX_DMA_SIZE_SHIFT 14 /* 16384 bytes */
  71. #define MFC_MIN_DMA_SIZE (1 << MFC_MIN_DMA_SIZE_SHIFT)
  72. #define MFC_MAX_DMA_SIZE (1 << MFC_MAX_DMA_SIZE_SHIFT)
  73. #define MFC_MIN_DMA_SIZE_MASK (MFC_MIN_DMA_SIZE - 1)
  74. #define MFC_MAX_DMA_SIZE_MASK (MFC_MAX_DMA_SIZE - 1)
  75. #define MFC_MIN_DMA_LIST_SIZE 0x0008 /* 8 bytes */
  76. #define MFC_MAX_DMA_LIST_SIZE 0x4000 /* 16K bytes */
  77. #define MFC_TAGID_TO_TAGMASK(tag_id) (1 << (tag_id & 0x1F))
  78. /* Events for Channels 0-2 */
  79. #define MFC_DMA_TAG_STATUS_UPDATE_EVENT 0x00000001
  80. #define MFC_DMA_TAG_CMD_STALL_NOTIFY_EVENT 0x00000002
  81. #define MFC_DMA_QUEUE_AVAILABLE_EVENT 0x00000008
  82. #define MFC_SPU_MAILBOX_WRITTEN_EVENT 0x00000010
  83. #define MFC_DECREMENTER_EVENT 0x00000020
  84. #define MFC_PU_INT_MAILBOX_AVAILABLE_EVENT 0x00000040
  85. #define MFC_PU_MAILBOX_AVAILABLE_EVENT 0x00000080
  86. #define MFC_SIGNAL_2_EVENT 0x00000100
  87. #define MFC_SIGNAL_1_EVENT 0x00000200
  88. #define MFC_LLR_LOST_EVENT 0x00000400
  89. #define MFC_PRIV_ATTN_EVENT 0x00000800
  90. #define MFC_MULTI_SRC_EVENT 0x00001000
  91. /* Flag indicating progress during context switch. */
  92. #define SPU_CONTEXT_SWITCH_PENDING 0UL
  93. #define SPU_CONTEXT_FAULT_PENDING 1UL
  94. struct spu_context;
  95. struct spu_runqueue;
  96. struct spu_lscsa;
  97. struct device_node;
  98. enum spu_utilization_state {
  99. SPU_UTIL_USER,
  100. SPU_UTIL_SYSTEM,
  101. SPU_UTIL_IOWAIT,
  102. SPU_UTIL_IDLE_LOADED,
  103. SPU_UTIL_MAX
  104. };
  105. struct spu {
  106. const char *name;
  107. unsigned long local_store_phys;
  108. u8 *local_store;
  109. unsigned long problem_phys;
  110. struct spu_problem __iomem *problem;
  111. struct spu_priv2 __iomem *priv2;
  112. struct list_head cbe_list;
  113. struct list_head full_list;
  114. enum { SPU_FREE, SPU_USED } alloc_state;
  115. int number;
  116. unsigned int irqs[3];
  117. u32 node;
  118. unsigned long flags;
  119. u64 class_0_pending;
  120. u64 class_0_dar;
  121. u64 class_1_dar;
  122. u64 class_1_dsisr;
  123. size_t ls_size;
  124. unsigned int slb_replace;
  125. struct mm_struct *mm;
  126. struct spu_context *ctx;
  127. struct spu_runqueue *rq;
  128. unsigned long long timestamp;
  129. pid_t pid;
  130. pid_t tgid;
  131. spinlock_t register_lock;
  132. void (* wbox_callback)(struct spu *spu);
  133. void (* ibox_callback)(struct spu *spu);
  134. void (* stop_callback)(struct spu *spu, int irq);
  135. void (* mfc_callback)(struct spu *spu);
  136. char irq_c0[8];
  137. char irq_c1[8];
  138. char irq_c2[8];
  139. u64 spe_id;
  140. void* pdata; /* platform private data */
  141. /* of based platforms only */
  142. struct device_node *devnode;
  143. /* native only */
  144. struct spu_priv1 __iomem *priv1;
  145. /* beat only */
  146. u64 shadow_int_mask_RW[3];
  147. struct device dev;
  148. int has_mem_affinity;
  149. struct list_head aff_list;
  150. struct {
  151. /* protected by interrupt reentrancy */
  152. enum spu_utilization_state util_state;
  153. unsigned long long tstamp;
  154. unsigned long long times[SPU_UTIL_MAX];
  155. unsigned long long vol_ctx_switch;
  156. unsigned long long invol_ctx_switch;
  157. unsigned long long min_flt;
  158. unsigned long long maj_flt;
  159. unsigned long long hash_flt;
  160. unsigned long long slb_flt;
  161. unsigned long long class2_intr;
  162. unsigned long long libassist;
  163. } stats;
  164. };
  165. struct cbe_spu_info {
  166. struct mutex list_mutex;
  167. struct list_head spus;
  168. int n_spus;
  169. int nr_active;
  170. atomic_t busy_spus;
  171. atomic_t reserved_spus;
  172. };
  173. extern struct cbe_spu_info cbe_spu_info[];
  174. void spu_init_channels(struct spu *spu);
  175. void spu_irq_setaffinity(struct spu *spu, int cpu);
  176. void spu_setup_kernel_slbs(struct spu *spu, struct spu_lscsa *lscsa,
  177. void *code, int code_size);
  178. extern void spu_invalidate_slbs(struct spu *spu);
  179. extern void spu_associate_mm(struct spu *spu, struct mm_struct *mm);
  180. int spu_64k_pages_available(void);
  181. /* Calls from the memory management to the SPU */
  182. struct mm_struct;
  183. extern void spu_flush_all_slbs(struct mm_struct *mm);
  184. /* This interface allows a profiler (e.g., OProfile) to store a ref
  185. * to spu context information that it creates. This caching technique
  186. * avoids the need to recreate this information after a save/restore operation.
  187. *
  188. * Assumes the caller has already incremented the ref count to
  189. * profile_info; then spu_context_destroy must call kref_put
  190. * on prof_info_kref.
  191. */
  192. void spu_set_profile_private_kref(struct spu_context *ctx,
  193. struct kref *prof_info_kref,
  194. void ( * prof_info_release) (struct kref *kref));
  195. void *spu_get_profile_private_kref(struct spu_context *ctx);
  196. /* system callbacks from the SPU */
  197. struct spu_syscall_block {
  198. u64 nr_ret;
  199. u64 parm[6];
  200. };
  201. extern long spu_sys_callback(struct spu_syscall_block *s);
  202. /* syscalls implemented in spufs */
  203. struct file;
  204. struct spufs_calls {
  205. long (*create_thread)(const char __user *name,
  206. unsigned int flags, umode_t mode,
  207. struct file *neighbor);
  208. long (*spu_run)(struct file *filp, __u32 __user *unpc,
  209. __u32 __user *ustatus);
  210. int (*coredump_extra_notes_size)(void);
  211. int (*coredump_extra_notes_write)(struct file *file, loff_t *foffset);
  212. void (*notify_spus_active)(void);
  213. struct module *owner;
  214. };
  215. /* return status from spu_run, same as in libspe */
  216. #define SPE_EVENT_DMA_ALIGNMENT 0x0008 /*A DMA alignment error */
  217. #define SPE_EVENT_SPE_ERROR 0x0010 /*An illegal instruction error*/
  218. #define SPE_EVENT_SPE_DATA_SEGMENT 0x0020 /*A DMA segmentation error */
  219. #define SPE_EVENT_SPE_DATA_STORAGE 0x0040 /*A DMA storage error */
  220. #define SPE_EVENT_INVALID_DMA 0x0800 /* Invalid MFC DMA */
  221. /*
  222. * Flags for sys_spu_create.
  223. */
  224. #define SPU_CREATE_EVENTS_ENABLED 0x0001
  225. #define SPU_CREATE_GANG 0x0002
  226. #define SPU_CREATE_NOSCHED 0x0004
  227. #define SPU_CREATE_ISOLATE 0x0008
  228. #define SPU_CREATE_AFFINITY_SPU 0x0010
  229. #define SPU_CREATE_AFFINITY_MEM 0x0020
  230. #define SPU_CREATE_FLAG_ALL 0x003f /* mask of all valid flags */
  231. int register_spu_syscalls(struct spufs_calls *calls);
  232. void unregister_spu_syscalls(struct spufs_calls *calls);
  233. int spu_add_dev_attr(struct device_attribute *attr);
  234. void spu_remove_dev_attr(struct device_attribute *attr);
  235. int spu_add_dev_attr_group(struct attribute_group *attrs);
  236. void spu_remove_dev_attr_group(struct attribute_group *attrs);
  237. int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
  238. unsigned long dsisr, unsigned *flt);
  239. /*
  240. * Notifier blocks:
  241. *
  242. * oprofile can get notified when a context switch is performed
  243. * on an spe. The notifer function that gets called is passed
  244. * a pointer to the SPU structure as well as the object-id that
  245. * identifies the binary running on that SPU now.
  246. *
  247. * For a context save, the object-id that is passed is zero,
  248. * identifying that the kernel will run from that moment on.
  249. *
  250. * For a context restore, the object-id is the value written
  251. * to object-id spufs file from user space and the notifer
  252. * function can assume that spu->ctx is valid.
  253. */
  254. struct notifier_block;
  255. int spu_switch_event_register(struct notifier_block * n);
  256. int spu_switch_event_unregister(struct notifier_block * n);
  257. extern void notify_spus_active(void);
  258. extern void do_notify_spus_active(void);
  259. /*
  260. * This defines the Local Store, Problem Area and Privilege Area of an SPU.
  261. */
  262. union mfc_tag_size_class_cmd {
  263. struct {
  264. u16 mfc_size;
  265. u16 mfc_tag;
  266. u8 pad;
  267. u8 mfc_rclassid;
  268. u16 mfc_cmd;
  269. } u;
  270. struct {
  271. u32 mfc_size_tag32;
  272. u32 mfc_class_cmd32;
  273. } by32;
  274. u64 all64;
  275. };
  276. struct mfc_cq_sr {
  277. u64 mfc_cq_data0_RW;
  278. u64 mfc_cq_data1_RW;
  279. u64 mfc_cq_data2_RW;
  280. u64 mfc_cq_data3_RW;
  281. };
  282. struct spu_problem {
  283. #define MS_SYNC_PENDING 1L
  284. u64 spc_mssync_RW; /* 0x0000 */
  285. u8 pad_0x0008_0x3000[0x3000 - 0x0008];
  286. /* DMA Area */
  287. u8 pad_0x3000_0x3004[0x4]; /* 0x3000 */
  288. u32 mfc_lsa_W; /* 0x3004 */
  289. u64 mfc_ea_W; /* 0x3008 */
  290. union mfc_tag_size_class_cmd mfc_union_W; /* 0x3010 */
  291. u8 pad_0x3018_0x3104[0xec]; /* 0x3018 */
  292. u32 dma_qstatus_R; /* 0x3104 */
  293. u8 pad_0x3108_0x3204[0xfc]; /* 0x3108 */
  294. u32 dma_querytype_RW; /* 0x3204 */
  295. u8 pad_0x3208_0x321c[0x14]; /* 0x3208 */
  296. u32 dma_querymask_RW; /* 0x321c */
  297. u8 pad_0x3220_0x322c[0xc]; /* 0x3220 */
  298. u32 dma_tagstatus_R; /* 0x322c */
  299. #define DMA_TAGSTATUS_INTR_ANY 1u
  300. #define DMA_TAGSTATUS_INTR_ALL 2u
  301. u8 pad_0x3230_0x4000[0x4000 - 0x3230]; /* 0x3230 */
  302. /* SPU Control Area */
  303. u8 pad_0x4000_0x4004[0x4]; /* 0x4000 */
  304. u32 pu_mb_R; /* 0x4004 */
  305. u8 pad_0x4008_0x400c[0x4]; /* 0x4008 */
  306. u32 spu_mb_W; /* 0x400c */
  307. u8 pad_0x4010_0x4014[0x4]; /* 0x4010 */
  308. u32 mb_stat_R; /* 0x4014 */
  309. u8 pad_0x4018_0x401c[0x4]; /* 0x4018 */
  310. u32 spu_runcntl_RW; /* 0x401c */
  311. #define SPU_RUNCNTL_STOP 0L
  312. #define SPU_RUNCNTL_RUNNABLE 1L
  313. #define SPU_RUNCNTL_ISOLATE 2L
  314. u8 pad_0x4020_0x4024[0x4]; /* 0x4020 */
  315. u32 spu_status_R; /* 0x4024 */
  316. #define SPU_STOP_STATUS_SHIFT 16
  317. #define SPU_STATUS_STOPPED 0x0
  318. #define SPU_STATUS_RUNNING 0x1
  319. #define SPU_STATUS_STOPPED_BY_STOP 0x2
  320. #define SPU_STATUS_STOPPED_BY_HALT 0x4
  321. #define SPU_STATUS_WAITING_FOR_CHANNEL 0x8
  322. #define SPU_STATUS_SINGLE_STEP 0x10
  323. #define SPU_STATUS_INVALID_INSTR 0x20
  324. #define SPU_STATUS_INVALID_CH 0x40
  325. #define SPU_STATUS_ISOLATED_STATE 0x80
  326. #define SPU_STATUS_ISOLATED_LOAD_STATUS 0x200
  327. #define SPU_STATUS_ISOLATED_EXIT_STATUS 0x400
  328. u8 pad_0x4028_0x402c[0x4]; /* 0x4028 */
  329. u32 spu_spe_R; /* 0x402c */
  330. u8 pad_0x4030_0x4034[0x4]; /* 0x4030 */
  331. u32 spu_npc_RW; /* 0x4034 */
  332. u8 pad_0x4038_0x14000[0x14000 - 0x4038]; /* 0x4038 */
  333. /* Signal Notification Area */
  334. u8 pad_0x14000_0x1400c[0xc]; /* 0x14000 */
  335. u32 signal_notify1; /* 0x1400c */
  336. u8 pad_0x14010_0x1c00c[0x7ffc]; /* 0x14010 */
  337. u32 signal_notify2; /* 0x1c00c */
  338. } __attribute__ ((aligned(0x20000)));
  339. /* SPU Privilege 2 State Area */
  340. struct spu_priv2 {
  341. /* MFC Registers */
  342. u8 pad_0x0000_0x1100[0x1100 - 0x0000]; /* 0x0000 */
  343. /* SLB Management Registers */
  344. u8 pad_0x1100_0x1108[0x8]; /* 0x1100 */
  345. u64 slb_index_W; /* 0x1108 */
  346. #define SLB_INDEX_MASK 0x7L
  347. u64 slb_esid_RW; /* 0x1110 */
  348. u64 slb_vsid_RW; /* 0x1118 */
  349. #define SLB_VSID_SUPERVISOR_STATE (0x1ull << 11)
  350. #define SLB_VSID_SUPERVISOR_STATE_MASK (0x1ull << 11)
  351. #define SLB_VSID_PROBLEM_STATE (0x1ull << 10)
  352. #define SLB_VSID_PROBLEM_STATE_MASK (0x1ull << 10)
  353. #define SLB_VSID_EXECUTE_SEGMENT (0x1ull << 9)
  354. #define SLB_VSID_NO_EXECUTE_SEGMENT (0x1ull << 9)
  355. #define SLB_VSID_EXECUTE_SEGMENT_MASK (0x1ull << 9)
  356. #define SLB_VSID_4K_PAGE (0x0 << 8)
  357. #define SLB_VSID_LARGE_PAGE (0x1ull << 8)
  358. #define SLB_VSID_PAGE_SIZE_MASK (0x1ull << 8)
  359. #define SLB_VSID_CLASS_MASK (0x1ull << 7)
  360. #define SLB_VSID_VIRTUAL_PAGE_SIZE_MASK (0x1ull << 6)
  361. u64 slb_invalidate_entry_W; /* 0x1120 */
  362. u64 slb_invalidate_all_W; /* 0x1128 */
  363. u8 pad_0x1130_0x2000[0x2000 - 0x1130]; /* 0x1130 */
  364. /* Context Save / Restore Area */
  365. struct mfc_cq_sr spuq[16]; /* 0x2000 */
  366. struct mfc_cq_sr puq[8]; /* 0x2200 */
  367. u8 pad_0x2300_0x3000[0x3000 - 0x2300]; /* 0x2300 */
  368. /* MFC Control */
  369. u64 mfc_control_RW; /* 0x3000 */
  370. #define MFC_CNTL_RESUME_DMA_QUEUE (0ull << 0)
  371. #define MFC_CNTL_SUSPEND_DMA_QUEUE (1ull << 0)
  372. #define MFC_CNTL_SUSPEND_DMA_QUEUE_MASK (1ull << 0)
  373. #define MFC_CNTL_SUSPEND_MASK (1ull << 4)
  374. #define MFC_CNTL_NORMAL_DMA_QUEUE_OPERATION (0ull << 8)
  375. #define MFC_CNTL_SUSPEND_IN_PROGRESS (1ull << 8)
  376. #define MFC_CNTL_SUSPEND_COMPLETE (3ull << 8)
  377. #define MFC_CNTL_SUSPEND_DMA_STATUS_MASK (3ull << 8)
  378. #define MFC_CNTL_DMA_QUEUES_EMPTY (1ull << 14)
  379. #define MFC_CNTL_DMA_QUEUES_EMPTY_MASK (1ull << 14)
  380. #define MFC_CNTL_PURGE_DMA_REQUEST (1ull << 15)
  381. #define MFC_CNTL_PURGE_DMA_IN_PROGRESS (1ull << 24)
  382. #define MFC_CNTL_PURGE_DMA_COMPLETE (3ull << 24)
  383. #define MFC_CNTL_PURGE_DMA_STATUS_MASK (3ull << 24)
  384. #define MFC_CNTL_RESTART_DMA_COMMAND (1ull << 32)
  385. #define MFC_CNTL_DMA_COMMAND_REISSUE_PENDING (1ull << 32)
  386. #define MFC_CNTL_DMA_COMMAND_REISSUE_STATUS_MASK (1ull << 32)
  387. #define MFC_CNTL_MFC_PRIVILEGE_STATE (2ull << 33)
  388. #define MFC_CNTL_MFC_PROBLEM_STATE (3ull << 33)
  389. #define MFC_CNTL_MFC_KEY_PROTECTION_STATE_MASK (3ull << 33)
  390. #define MFC_CNTL_DECREMENTER_HALTED (1ull << 35)
  391. #define MFC_CNTL_DECREMENTER_RUNNING (1ull << 40)
  392. #define MFC_CNTL_DECREMENTER_STATUS_MASK (1ull << 40)
  393. u8 pad_0x3008_0x4000[0x4000 - 0x3008]; /* 0x3008 */
  394. /* Interrupt Mailbox */
  395. u64 puint_mb_R; /* 0x4000 */
  396. u8 pad_0x4008_0x4040[0x4040 - 0x4008]; /* 0x4008 */
  397. /* SPU Control */
  398. u64 spu_privcntl_RW; /* 0x4040 */
  399. #define SPU_PRIVCNTL_MODE_NORMAL (0x0ull << 0)
  400. #define SPU_PRIVCNTL_MODE_SINGLE_STEP (0x1ull << 0)
  401. #define SPU_PRIVCNTL_MODE_MASK (0x1ull << 0)
  402. #define SPU_PRIVCNTL_NO_ATTENTION_EVENT (0x0ull << 1)
  403. #define SPU_PRIVCNTL_ATTENTION_EVENT (0x1ull << 1)
  404. #define SPU_PRIVCNTL_ATTENTION_EVENT_MASK (0x1ull << 1)
  405. #define SPU_PRIVCNT_LOAD_REQUEST_NORMAL (0x0ull << 2)
  406. #define SPU_PRIVCNT_LOAD_REQUEST_ENABLE_MASK (0x1ull << 2)
  407. u8 pad_0x4048_0x4058[0x10]; /* 0x4048 */
  408. u64 spu_lslr_RW; /* 0x4058 */
  409. u64 spu_chnlcntptr_RW; /* 0x4060 */
  410. u64 spu_chnlcnt_RW; /* 0x4068 */
  411. u64 spu_chnldata_RW; /* 0x4070 */
  412. u64 spu_cfg_RW; /* 0x4078 */
  413. u8 pad_0x4080_0x5000[0x5000 - 0x4080]; /* 0x4080 */
  414. /* PV2_ImplRegs: Implementation-specific privileged-state 2 regs */
  415. u64 spu_pm_trace_tag_status_RW; /* 0x5000 */
  416. u64 spu_tag_status_query_RW; /* 0x5008 */
  417. #define TAG_STATUS_QUERY_CONDITION_BITS (0x3ull << 32)
  418. #define TAG_STATUS_QUERY_MASK_BITS (0xffffffffull)
  419. u64 spu_cmd_buf1_RW; /* 0x5010 */
  420. #define SPU_COMMAND_BUFFER_1_LSA_BITS (0x7ffffull << 32)
  421. #define SPU_COMMAND_BUFFER_1_EAH_BITS (0xffffffffull)
  422. u64 spu_cmd_buf2_RW; /* 0x5018 */
  423. #define SPU_COMMAND_BUFFER_2_EAL_BITS ((0xffffffffull) << 32)
  424. #define SPU_COMMAND_BUFFER_2_TS_BITS (0xffffull << 16)
  425. #define SPU_COMMAND_BUFFER_2_TAG_BITS (0x3full)
  426. u64 spu_atomic_status_RW; /* 0x5020 */
  427. } __attribute__ ((aligned(0x20000)));
  428. /* SPU Privilege 1 State Area */
  429. struct spu_priv1 {
  430. /* Control and Configuration Area */
  431. u64 mfc_sr1_RW; /* 0x000 */
  432. #define MFC_STATE1_LOCAL_STORAGE_DECODE_MASK 0x01ull
  433. #define MFC_STATE1_BUS_TLBIE_MASK 0x02ull
  434. #define MFC_STATE1_REAL_MODE_OFFSET_ENABLE_MASK 0x04ull
  435. #define MFC_STATE1_PROBLEM_STATE_MASK 0x08ull
  436. #define MFC_STATE1_RELOCATE_MASK 0x10ull
  437. #define MFC_STATE1_MASTER_RUN_CONTROL_MASK 0x20ull
  438. #define MFC_STATE1_TABLE_SEARCH_MASK 0x40ull
  439. u64 mfc_lpid_RW; /* 0x008 */
  440. u64 spu_idr_RW; /* 0x010 */
  441. u64 mfc_vr_RO; /* 0x018 */
  442. #define MFC_VERSION_BITS (0xffff << 16)
  443. #define MFC_REVISION_BITS (0xffff)
  444. #define MFC_GET_VERSION_BITS(vr) (((vr) & MFC_VERSION_BITS) >> 16)
  445. #define MFC_GET_REVISION_BITS(vr) ((vr) & MFC_REVISION_BITS)
  446. u64 spu_vr_RO; /* 0x020 */
  447. #define SPU_VERSION_BITS (0xffff << 16)
  448. #define SPU_REVISION_BITS (0xffff)
  449. #define SPU_GET_VERSION_BITS(vr) (vr & SPU_VERSION_BITS) >> 16
  450. #define SPU_GET_REVISION_BITS(vr) (vr & SPU_REVISION_BITS)
  451. u8 pad_0x28_0x100[0x100 - 0x28]; /* 0x28 */
  452. /* Interrupt Area */
  453. u64 int_mask_RW[3]; /* 0x100 */
  454. #define CLASS0_ENABLE_DMA_ALIGNMENT_INTR 0x1L
  455. #define CLASS0_ENABLE_INVALID_DMA_COMMAND_INTR 0x2L
  456. #define CLASS0_ENABLE_SPU_ERROR_INTR 0x4L
  457. #define CLASS0_ENABLE_MFC_FIR_INTR 0x8L
  458. #define CLASS1_ENABLE_SEGMENT_FAULT_INTR 0x1L
  459. #define CLASS1_ENABLE_STORAGE_FAULT_INTR 0x2L
  460. #define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_GET_INTR 0x4L
  461. #define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_PUT_INTR 0x8L
  462. #define CLASS2_ENABLE_MAILBOX_INTR 0x1L
  463. #define CLASS2_ENABLE_SPU_STOP_INTR 0x2L
  464. #define CLASS2_ENABLE_SPU_HALT_INTR 0x4L
  465. #define CLASS2_ENABLE_SPU_DMA_TAG_GROUP_COMPLETE_INTR 0x8L
  466. #define CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR 0x10L
  467. u8 pad_0x118_0x140[0x28]; /* 0x118 */
  468. u64 int_stat_RW[3]; /* 0x140 */
  469. #define CLASS0_DMA_ALIGNMENT_INTR 0x1L
  470. #define CLASS0_INVALID_DMA_COMMAND_INTR 0x2L
  471. #define CLASS0_SPU_ERROR_INTR 0x4L
  472. #define CLASS0_INTR_MASK 0x7L
  473. #define CLASS1_SEGMENT_FAULT_INTR 0x1L
  474. #define CLASS1_STORAGE_FAULT_INTR 0x2L
  475. #define CLASS1_LS_COMPARE_SUSPEND_ON_GET_INTR 0x4L
  476. #define CLASS1_LS_COMPARE_SUSPEND_ON_PUT_INTR 0x8L
  477. #define CLASS1_INTR_MASK 0xfL
  478. #define CLASS2_MAILBOX_INTR 0x1L
  479. #define CLASS2_SPU_STOP_INTR 0x2L
  480. #define CLASS2_SPU_HALT_INTR 0x4L
  481. #define CLASS2_SPU_DMA_TAG_GROUP_COMPLETE_INTR 0x8L
  482. #define CLASS2_MAILBOX_THRESHOLD_INTR 0x10L
  483. #define CLASS2_INTR_MASK 0x1fL
  484. u8 pad_0x158_0x180[0x28]; /* 0x158 */
  485. u64 int_route_RW; /* 0x180 */
  486. /* Interrupt Routing */
  487. u8 pad_0x188_0x200[0x200 - 0x188]; /* 0x188 */
  488. /* Atomic Unit Control Area */
  489. u64 mfc_atomic_flush_RW; /* 0x200 */
  490. #define mfc_atomic_flush_enable 0x1L
  491. u8 pad_0x208_0x280[0x78]; /* 0x208 */
  492. u64 resource_allocation_groupID_RW; /* 0x280 */
  493. u64 resource_allocation_enable_RW; /* 0x288 */
  494. u8 pad_0x290_0x3c8[0x3c8 - 0x290]; /* 0x290 */
  495. /* SPU_Cache_ImplRegs: Implementation-dependent cache registers */
  496. u64 smf_sbi_signal_sel; /* 0x3c8 */
  497. #define smf_sbi_mask_lsb 56
  498. #define smf_sbi_shift (63 - smf_sbi_mask_lsb)
  499. #define smf_sbi_mask (0x301LL << smf_sbi_shift)
  500. #define smf_sbi_bus0_bits (0x001LL << smf_sbi_shift)
  501. #define smf_sbi_bus2_bits (0x100LL << smf_sbi_shift)
  502. #define smf_sbi2_bus0_bits (0x201LL << smf_sbi_shift)
  503. #define smf_sbi2_bus2_bits (0x300LL << smf_sbi_shift)
  504. u64 smf_ato_signal_sel; /* 0x3d0 */
  505. #define smf_ato_mask_lsb 35
  506. #define smf_ato_shift (63 - smf_ato_mask_lsb)
  507. #define smf_ato_mask (0x3LL << smf_ato_shift)
  508. #define smf_ato_bus0_bits (0x2LL << smf_ato_shift)
  509. #define smf_ato_bus2_bits (0x1LL << smf_ato_shift)
  510. u8 pad_0x3d8_0x400[0x400 - 0x3d8]; /* 0x3d8 */
  511. /* TLB Management Registers */
  512. u64 mfc_sdr_RW; /* 0x400 */
  513. u8 pad_0x408_0x500[0xf8]; /* 0x408 */
  514. u64 tlb_index_hint_RO; /* 0x500 */
  515. u64 tlb_index_W; /* 0x508 */
  516. u64 tlb_vpn_RW; /* 0x510 */
  517. u64 tlb_rpn_RW; /* 0x518 */
  518. u8 pad_0x520_0x540[0x20]; /* 0x520 */
  519. u64 tlb_invalidate_entry_W; /* 0x540 */
  520. u64 tlb_invalidate_all_W; /* 0x548 */
  521. u8 pad_0x550_0x580[0x580 - 0x550]; /* 0x550 */
  522. /* SPU_MMU_ImplRegs: Implementation-dependent MMU registers */
  523. u64 smm_hid; /* 0x580 */
  524. #define PAGE_SIZE_MASK 0xf000000000000000ull
  525. #define PAGE_SIZE_16MB_64KB 0x2000000000000000ull
  526. u8 pad_0x588_0x600[0x600 - 0x588]; /* 0x588 */
  527. /* MFC Status/Control Area */
  528. u64 mfc_accr_RW; /* 0x600 */
  529. #define MFC_ACCR_EA_ACCESS_GET (1 << 0)
  530. #define MFC_ACCR_EA_ACCESS_PUT (1 << 1)
  531. #define MFC_ACCR_LS_ACCESS_GET (1 << 3)
  532. #define MFC_ACCR_LS_ACCESS_PUT (1 << 4)
  533. u8 pad_0x608_0x610[0x8]; /* 0x608 */
  534. u64 mfc_dsisr_RW; /* 0x610 */
  535. #define MFC_DSISR_PTE_NOT_FOUND (1 << 30)
  536. #define MFC_DSISR_ACCESS_DENIED (1 << 27)
  537. #define MFC_DSISR_ATOMIC (1 << 26)
  538. #define MFC_DSISR_ACCESS_PUT (1 << 25)
  539. #define MFC_DSISR_ADDR_MATCH (1 << 22)
  540. #define MFC_DSISR_LS (1 << 17)
  541. #define MFC_DSISR_L (1 << 16)
  542. #define MFC_DSISR_ADDRESS_OVERFLOW (1 << 0)
  543. u8 pad_0x618_0x620[0x8]; /* 0x618 */
  544. u64 mfc_dar_RW; /* 0x620 */
  545. u8 pad_0x628_0x700[0x700 - 0x628]; /* 0x628 */
  546. /* Replacement Management Table (RMT) Area */
  547. u64 rmt_index_RW; /* 0x700 */
  548. u8 pad_0x708_0x710[0x8]; /* 0x708 */
  549. u64 rmt_data1_RW; /* 0x710 */
  550. u8 pad_0x718_0x800[0x800 - 0x718]; /* 0x718 */
  551. /* Control/Configuration Registers */
  552. u64 mfc_dsir_R; /* 0x800 */
  553. #define MFC_DSIR_Q (1 << 31)
  554. #define MFC_DSIR_SPU_QUEUE MFC_DSIR_Q
  555. u64 mfc_lsacr_RW; /* 0x808 */
  556. #define MFC_LSACR_COMPARE_MASK ((~0ull) << 32)
  557. #define MFC_LSACR_COMPARE_ADDR ((~0ull) >> 32)
  558. u64 mfc_lscrr_R; /* 0x810 */
  559. #define MFC_LSCRR_Q (1 << 31)
  560. #define MFC_LSCRR_SPU_QUEUE MFC_LSCRR_Q
  561. #define MFC_LSCRR_QI_SHIFT 32
  562. #define MFC_LSCRR_QI_MASK ((~0ull) << MFC_LSCRR_QI_SHIFT)
  563. u8 pad_0x818_0x820[0x8]; /* 0x818 */
  564. u64 mfc_tclass_id_RW; /* 0x820 */
  565. #define MFC_TCLASS_ID_ENABLE (1L << 0L)
  566. #define MFC_TCLASS_SLOT2_ENABLE (1L << 5L)
  567. #define MFC_TCLASS_SLOT1_ENABLE (1L << 6L)
  568. #define MFC_TCLASS_SLOT0_ENABLE (1L << 7L)
  569. #define MFC_TCLASS_QUOTA_2_SHIFT 8L
  570. #define MFC_TCLASS_QUOTA_1_SHIFT 16L
  571. #define MFC_TCLASS_QUOTA_0_SHIFT 24L
  572. #define MFC_TCLASS_QUOTA_2_MASK (0x1FL << MFC_TCLASS_QUOTA_2_SHIFT)
  573. #define MFC_TCLASS_QUOTA_1_MASK (0x1FL << MFC_TCLASS_QUOTA_1_SHIFT)
  574. #define MFC_TCLASS_QUOTA_0_MASK (0x1FL << MFC_TCLASS_QUOTA_0_SHIFT)
  575. u8 pad_0x828_0x900[0x900 - 0x828]; /* 0x828 */
  576. /* Real Mode Support Registers */
  577. u64 mfc_rm_boundary; /* 0x900 */
  578. u8 pad_0x908_0x938[0x30]; /* 0x908 */
  579. u64 smf_dma_signal_sel; /* 0x938 */
  580. #define mfc_dma1_mask_lsb 41
  581. #define mfc_dma1_shift (63 - mfc_dma1_mask_lsb)
  582. #define mfc_dma1_mask (0x3LL << mfc_dma1_shift)
  583. #define mfc_dma1_bits (0x1LL << mfc_dma1_shift)
  584. #define mfc_dma2_mask_lsb 43
  585. #define mfc_dma2_shift (63 - mfc_dma2_mask_lsb)
  586. #define mfc_dma2_mask (0x3LL << mfc_dma2_shift)
  587. #define mfc_dma2_bits (0x1LL << mfc_dma2_shift)
  588. u8 pad_0x940_0xa38[0xf8]; /* 0x940 */
  589. u64 smm_signal_sel; /* 0xa38 */
  590. #define smm_sig_mask_lsb 12
  591. #define smm_sig_shift (63 - smm_sig_mask_lsb)
  592. #define smm_sig_mask (0x3LL << smm_sig_shift)
  593. #define smm_sig_bus0_bits (0x2LL << smm_sig_shift)
  594. #define smm_sig_bus2_bits (0x1LL << smm_sig_shift)
  595. u8 pad_0xa40_0xc00[0xc00 - 0xa40]; /* 0xa40 */
  596. /* DMA Command Error Area */
  597. u64 mfc_cer_R; /* 0xc00 */
  598. #define MFC_CER_Q (1 << 31)
  599. #define MFC_CER_SPU_QUEUE MFC_CER_Q
  600. u8 pad_0xc08_0x1000[0x1000 - 0xc08]; /* 0xc08 */
  601. /* PV1_ImplRegs: Implementation-dependent privileged-state 1 regs */
  602. /* DMA Command Error Area */
  603. u64 spu_ecc_cntl_RW; /* 0x1000 */
  604. #define SPU_ECC_CNTL_E (1ull << 0ull)
  605. #define SPU_ECC_CNTL_ENABLE SPU_ECC_CNTL_E
  606. #define SPU_ECC_CNTL_DISABLE (~SPU_ECC_CNTL_E & 1L)
  607. #define SPU_ECC_CNTL_S (1ull << 1ull)
  608. #define SPU_ECC_STOP_AFTER_ERROR SPU_ECC_CNTL_S
  609. #define SPU_ECC_CONTINUE_AFTER_ERROR (~SPU_ECC_CNTL_S & 2L)
  610. #define SPU_ECC_CNTL_B (1ull << 2ull)
  611. #define SPU_ECC_BACKGROUND_ENABLE SPU_ECC_CNTL_B
  612. #define SPU_ECC_BACKGROUND_DISABLE (~SPU_ECC_CNTL_B & 4L)
  613. #define SPU_ECC_CNTL_I_SHIFT 3ull
  614. #define SPU_ECC_CNTL_I_MASK (3ull << SPU_ECC_CNTL_I_SHIFT)
  615. #define SPU_ECC_WRITE_ALWAYS (~SPU_ECC_CNTL_I & 12L)
  616. #define SPU_ECC_WRITE_CORRECTABLE (1ull << SPU_ECC_CNTL_I_SHIFT)
  617. #define SPU_ECC_WRITE_UNCORRECTABLE (3ull << SPU_ECC_CNTL_I_SHIFT)
  618. #define SPU_ECC_CNTL_D (1ull << 5ull)
  619. #define SPU_ECC_DETECTION_ENABLE SPU_ECC_CNTL_D
  620. #define SPU_ECC_DETECTION_DISABLE (~SPU_ECC_CNTL_D & 32L)
  621. u64 spu_ecc_stat_RW; /* 0x1008 */
  622. #define SPU_ECC_CORRECTED_ERROR (1ull << 0ul)
  623. #define SPU_ECC_UNCORRECTED_ERROR (1ull << 1ul)
  624. #define SPU_ECC_SCRUB_COMPLETE (1ull << 2ul)
  625. #define SPU_ECC_SCRUB_IN_PROGRESS (1ull << 3ul)
  626. #define SPU_ECC_INSTRUCTION_ERROR (1ull << 4ul)
  627. #define SPU_ECC_DATA_ERROR (1ull << 5ul)
  628. #define SPU_ECC_DMA_ERROR (1ull << 6ul)
  629. #define SPU_ECC_STATUS_CNT_MASK (256ull << 8)
  630. u64 spu_ecc_addr_RW; /* 0x1010 */
  631. u64 spu_err_mask_RW; /* 0x1018 */
  632. #define SPU_ERR_ILLEGAL_INSTR (1ull << 0ul)
  633. #define SPU_ERR_ILLEGAL_CHANNEL (1ull << 1ul)
  634. u8 pad_0x1020_0x1028[0x1028 - 0x1020]; /* 0x1020 */
  635. /* SPU Debug-Trace Bus (DTB) Selection Registers */
  636. u64 spu_trig0_sel; /* 0x1028 */
  637. u64 spu_trig1_sel; /* 0x1030 */
  638. u64 spu_trig2_sel; /* 0x1038 */
  639. u64 spu_trig3_sel; /* 0x1040 */
  640. u64 spu_trace_sel; /* 0x1048 */
  641. #define spu_trace_sel_mask 0x1f1fLL
  642. #define spu_trace_sel_bus0_bits 0x1000LL
  643. #define spu_trace_sel_bus2_bits 0x0010LL
  644. u64 spu_event0_sel; /* 0x1050 */
  645. u64 spu_event1_sel; /* 0x1058 */
  646. u64 spu_event2_sel; /* 0x1060 */
  647. u64 spu_event3_sel; /* 0x1068 */
  648. u64 spu_trace_cntl; /* 0x1070 */
  649. } __attribute__ ((aligned(0x2000)));
  650. #endif /* __KERNEL__ */
  651. #endif